Microphone



FIG. 1 is a perspective view of a microphone;

FIG. 2 is a front view of the microphone;

FIG. 3 is a back view of the microphone;

FIG. 4 left side view of the microphone;

FIG. 5 is a right side view of the microphone;

FIG. 6 is a top view of the microphone;

FIG. 7 is a bottom view of the microphone; and,

FIG. 8 is an alternative perspective view of the microphone.

The broken lines form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a microphone, as shown and described. 